Available Definitions:
1) a. - Povided with, or inclosed in, sheath.
2) a. - Invested by a sheath, or cylindrical membranaceous tube, which is the base of the leaf, as the stalk or culm in grasses; vaginate.
3) v. t. - To case or cover with something which protects, as thin boards, sheets of metal, and the like; as, to sheathe a ship with copper.
4) v. t. - To obtund or blunt, as acrimonious substances, or sharp particles.